/**
 * Update packages on given nodes
 *
 * Expected parameters:
 *   SALT_MASTER_CREDENTIALS    Credentials to the Salt API.
 *   SALT_MASTER_URL            Full Salt API address [http://10.10.10.1:8000].
 *   STAGE_TEST_UPGRADE         Run test upgrade stage (bool)
 *   STAGE_REAL_UPGRADE         Run real upgrade stage (bool)
 *   STAGE_ROLLBACK_UPGRADE     Run rollback upgrade stage (bool)
 *
**/

def common = new com.mirantis.mk.Common()
def salt = new com.mirantis.mk.Salt()


def saltMaster

timestamps {
    node() {

        stage('Connect to Salt API') {
            saltMaster = salt.connection(SALT_MASTER_URL, SALT_MASTER_CREDENTIALS)
        }

        if (STAGE_TEST_UPGRADE.toBoolean() == true) {
            stage('Test upgrade') {

                //salt.enforceState(saltMaster, 'I@salt:master', 'reclass')

                // salt.runSaltProcessStep(saltMaster, '*', 'saltutil.refresh_pillar', [], null, true)
                // salt '*' saltutil.sync_all
                // salt.runSaltProcessStep(saltMaster, '*', 'saltutil.sync_all', [], null, true)
                

                def _pillar = salt.getGrain(saltMaster, 'I@salt:master', 'domain')
                def domain = _pillar['return'][0].values()[0].values()[0]
                print(_pillar)
                print(domain)

                // read backupninja variable
                _pillar = salt.getPillar(saltMaster, 'I@backupninja:client', '_param:backupninja_backup_host')
                def backupninja_backup_host = _pillar['return'][0].values()[0]
                print(_pillar)
                print(backupninja_backup_host)

                _pillar = salt.getGrain(saltMaster, 'I@salt:control', 'id')
                def kvm01 = _pillar['return'][0].values()[0].values()[0]
                def kvm03 = _pillar['return'][0].values()[2].values()[0]
                def kvm02 = _pillar['return'][0].values()[1].values()[0]
                print(_pillar)
                print(kvm01)
                print(kvm02)
                print(kvm03)

                _pillar = salt.getPillar(saltMaster, "${kvm01}", 'salt:control:cluster:internal:node:upg01:provider')
                def upgNodeProvider = _pillar['return'][0].values()[0]
                print(_pillar)
                print(upgNodeProvider)


                salt.runSaltProcessStep(saltMaster, "${upgNodeProvider}", 'virt.destroy', ["upg01.${domain}"], null, true)
                salt.runSaltProcessStep(saltMaster, "${upgNodeProvider}", 'virt.undefine', ["upg01.${domain}"], null, true)

                
                try {
                    ssalt.cmdRun(saltMaster, 'I@salt:master', "salt-key -d upg01.${domain} -y")
                } catch (Exception e) {
                    common.warningMsg('does not match any accepted, unaccepted or rejected keys. The key did not exist yet or was already removed. We should continue to run')
                }


                // salt 'kvm02*' state.sls salt.control
                salt.enforceState(saltMaster, "${upgNodeProvider}", 'salt.control')

                sleep(60)

                // salt '*' saltutil.refresh_pillar
                salt.runSaltProcessStep(saltMaster, 'upg*', 'saltutil.refresh_pillar', [], null, true)
                // salt '*' saltutil.sync_all
                salt.runSaltProcessStep(saltMaster, 'upg*', 'saltutil.sync_all', [], null, true)

                // salt "upg*" state.sls linux,openssh,salt.minion,ntp,rsyslog
                try {
                    salt.enforceState(saltMaster, 'upg*', ['linux', 'openssh', 'salt.minion', 'ntp', 'rsyslog'])
                } catch (Exception e) {
                    common.warningMsg('Received no response because salt-minion was restarted. We should continue to run')
                }
                salt.enforceState(saltMaster, 'upg*', ['linux', 'openssh', 'salt.minion', 'ntp', 'rsyslog'])

                // salt "upg*" state.sls rabbitmq
                salt.enforceState(saltMaster, 'upg*', ['rabbitmq', 'memcached'])
                try {
                    salt.enforceState(saltMaster, 'I@backupninja:client', ['openssh.client', 'salt.minion'])
                } catch (Exception e) {
                    common.warningMsg('salt-minion was restarted. We should continue to run')
                }
                try {
                    salt.enforceState(saltMaster, 'I@backupninja:server', ['salt.minion'])
                } catch (Exception e) {
                    common.warningMsg('salt-minion was restarted. We should continue to run')
                }
                // salt '*' state.apply salt.minion.grains
                //salt.enforceState(saltMaster, '*', 'salt.minion.grains')
                // salt -C 'I@backupninja:server' state.sls backupninja
                salt.enforceState(saltMaster, 'I@backupninja:server', 'backupninja')
                // salt -C 'I@backupninja:client' state.sls backupninja
                salt.enforceState(saltMaster, 'I@backupninja:client', 'backupninja')
                salt.runSaltProcessStep(saltMaster, 'I@backupninja:client', 'ssh.rm_known_host', ["root", "${backupninja_backup_host}"], null, true)
                salt.cmdRun(saltMaster, 'I@backupninja:client', "arp -d ${backupninja_backup_host}")
                salt.runSaltProcessStep(saltMaster, 'I@backupninja:client', 'ssh.set_known_host', ["root", "${backupninja_backup_host}"], null, true)
                salt.cmdRun(saltMaster, 'I@backupninja:client', 'backupninja -n --run /etc/backup.d/101.mysql')
                salt.cmdRun(saltMaster, 'I@backupninja:client', 'backupninja -n --run /etc/backup.d/200.backup.rsync')


                def databases = salt.cmdRun(saltMaster, 'I@mysql:client','salt-call mysql.db_list | grep upgrade | awk \'/-/ {print \$2}\'')
                if(databases && databases != ""){
                    def databasesList = databases['return'][0].values()[0].trim().tokenize("\n")
                    for( i = 0; i < databasesList.size(); i++){ 
                        if(databasesList[i].toLowerCase().contains('upgrade')){
                            salt.runSaltProcessStep(saltMaster, 'I@mysql:client', 'mysql.db_remove', ["${databasesList[i]}"], null, true)
                            common.warningMsg("removing database ${databasesList[i]}")
                            salt.runSaltProcessStep(saltMaster, 'I@mysql:client', 'file.remove', ["/root/mysql/flags/${databasesList[i]}-installed"], null, true)
                        }
                    }
                }else{
                    common.errorMsg("No _upgrade databases were returned")
                }

                salt.enforceState(saltMaster, 'I@mysql:client', 'mysql.client')

                try {
                    salt.enforceState(saltMaster, 'upg*', 'keystone.server')
                } catch (Exception e) {
                    salt.runSaltProcessStep(saltMaster, 'upg*', 'service.reload', ['apache2'], null, true)
                    common.warningMsg('reload of apache2. We should continue to run')
                }
                salt.enforceState(saltMaster, 'upg*', ['keystone.client', 'glance', 'keystone.server'])
                salt.enforceState(saltMaster, 'upg*', 'nova')
                salt.enforceState(saltMaster, 'upg*', ['cinder', 'neutron', 'heat'])

                salt.cmdRun(saltMaster, 'upg01*', '. /root/keystonercv3; openstack service list; openstack image list; openstack flavor list; openstack compute service list; openstack server list; openstack network list; openstack volume list; openstack orchestration service list')
            }
        }

        if (STAGE_TEST_UPGRADE.toBoolean() == true && STAGE_REAL_UPGRADE.toBoolean() == true) {
            stage('Ask for manual confirmation') {
                input message: "Do you want to continue with upgrade?"
            }
        }


        if (STAGE_REAL_UPGRADE.toBoolean() == true) {
            stage('Real upgrade') {
                // # actual upgrade

                _pillar = salt.getPillar(saltMaster, "${kvm01}", 'salt:control:cluster:internal:node:ctl01:provider')
                def ctl01NodeProvider = _pillar['return'][0].values()[0]

                _pillar = salt.getPillar(saltMaster, "${kvm01}", 'salt:control:cluster:internal:node:ctl02:provider')
                def ctl02NodeProvider = _pillar['return'][0].values()[0]

                _pillar = salt.getPillar(saltMaster, "${kvm01}", 'salt:control:cluster:internal:node:ctl03:provider')
                def ctl03NodeProvider = _pillar['return'][0].values()[0]

                _pillar = salt.getPillar(saltMaster, "${kvm01}", 'salt:control:cluster:internal:node:prx01:provider')
                def prx01NodeProvider = _pillar['return'][0].values()[0]

                _pillar = salt.getPillar(saltMaster, "${kvm01}", 'salt:control:cluster:internal:node:prx02:provider')
                def prx02NodeProvider = _pillar['return'][0].values()[0]


                salt.runSaltProcessStep(saltMaster, "${prx01NodeProvider}", 'virt.destroy', ["prx01.${domain}"], null, true)
                salt.runSaltProcessStep(saltMaster, "${prx02NodeProvider}", 'virt.destroy', ["prx02.${domain}"], null, true)
                salt.runSaltProcessStep(saltMaster, "${ctl01NodeProvider}", 'virt.destroy', ["ctl01.${domain}"], null, true)
                salt.runSaltProcessStep(saltMaster, "${ctl02NodeProvider}", 'virt.destroy', ["ctl02.${domain}"], null, true)
                salt.runSaltProcessStep(saltMaster, "${ctl03NodeProvider}", 'virt.destroy', ["ctl03.${domain}"], null, true)


                try {
                    salt.cmdRun(saltMaster, "${prx01NodeProvider}", "[ ! -f /root/prx01.${domain}.qcow2.bak ] && cp /var/lib/libvirt/images/prx01.${domain}/system.qcow2 ./prx01.${domain}.qcow2.bak")
                } catch (Exception e) {
                    common.warningMsg('File already exists')
                }
                try {
                    salt.cmdRun(saltMaster, "${prx02NodeProvider}", "[ ! -f /root/prx02.${domain}.qcow2.bak ] && cp /var/lib/libvirt/images/prx02.${domain}/system.qcow2 ./prx02.${domain}.qcow2.bak")
                } catch (Exception e) {
                    common.warningMsg('File already exists')
                }
                try {
                    salt.cmdRun(saltMaster, "${ctl01NodeProvider}", "[ ! -f /root/ctl01.${domain}.qcow2.bak ] && cp /var/lib/libvirt/images/ctl01.${domain}/system.qcow2 ./ctl01.${domain}.qcow2.bak")
                } catch (Exception e) {
                    common.warningMsg('File already exists')
                }
                try {
                    salt.cmdRun(saltMaster, "${ctl02NodeProvider}", "[ ! -f /root/ctl02.${domain}.qcow2.bak ] && cp /var/lib/libvirt/images/ctl02.${domain}/system.qcow2 ./ctl02.${domain}.qcow2.bak")
                } catch (Exception e) {
                    common.warningMsg('File already exists')
                }
                try {
                    salt.cmdRun(saltMaster, "${ctl03NodeProvider}", "[ ! -f /root/ctl03.${domain}.qcow2.bak ] && cp /var/lib/libvirt/images/ctl03.${domain}/system.qcow2 ./ctl03.${domain}.qcow2.bak")
                } catch (Exception e) {
                    common.warningMsg('File already exists')
                }


                salt.runSaltProcessStep(saltMaster, "${prx01NodeProvider}", 'virt.undefine', ["prx01.${domain}"], null, true)
                salt.runSaltProcessStep(saltMaster, "${prx02NodeProvider}", 'virt.undefine', ["prx02.${domain}"], null, true)
                salt.runSaltProcessStep(saltMaster, "${ctl01NodeProvider}", 'virt.undefine', ["ctl01.${domain}"], null, true)
                salt.runSaltProcessStep(saltMaster, "${ctl02NodeProvider}", 'virt.undefine', ["ctl02.${domain}"], null, true)
                salt.runSaltProcessStep(saltMaster, "${ctl03NodeProvider}", 'virt.undefine', ["ctl03.${domain}"], null, true)


                salt.cmdRun(saltMaster, 'I@backupninja:client', 'backupninja -n --run /etc/backup.d/101.mysql')
                salt.cmdRun(saltMaster, 'I@backupninja:client', 'backupninja -n --run /etc/backup.d/200.backup.rsync')
                

                try {
                    salt.cmdRun(saltMaster, 'I@salt:master', "salt-key -d ctl01.${domain},ctl02.${domain},ctl03.${domain},prx01.${domain},prx02.${domain} -y")
                } catch (Exception e) {
                    common.warningMsg('does not match any accepted, unaccepted or rejected keys. They were probably already removed. We should continue to run')
                }

                // salt 'kvm*' state.sls salt.control
                salt.enforceState(saltMaster, 'I@salt:control', 'salt.control')

                sleep(60)

                // salt '*' saltutil.refresh_pillar
                salt.runSaltProcessStep(saltMaster, '*', 'saltutil.refresh_pillar', [], null, true)
                // salt '*' saltutil.sync_all
                salt.runSaltProcessStep(saltMaster, '*', 'saltutil.sync_all', [], null, true)

                try {
                    salt.enforceState(saltMaster, 'ctl* or prx* or ctl*', ['linux', 'openssh', 'salt.minion', 'ntp', 'rsyslog'])
                } catch (Exception e) {
                    common.warningMsg('Received no response because salt-minion was restarted. We should continue to run')
                }
                salt.enforceState(saltMaster, 'ctl* or prx* or ctl*', ['linux', 'openssh', 'salt.minion', 'ntp', 'rsyslog'])

                // salt 'ctl*' state.sls keepalived
                // salt 'ctl*' state.sls haproxy
                salt.enforceState(saltMaster, 'ctl*', ['keepalived', 'haproxy'])
                // salt 'ctl*' service.restart rsyslog
                salt.runSaltProcessStep(saltMaster, 'ctl*', 'service.restart', ['rsyslog'], null, true)
                // salt "ctl*" state.sls memcached
                // salt "ctl*" state.sls keystone.server
                try {
                    salt.enforceState(saltMaster, 'ctl*', ['memcached', 'keystone.server'])
                } catch (Exception e) {
                    salt.runSaltProcessStep(saltMaster, 'ctl*', 'service.reload', ['apache2'], null, true)
                    common.warningMsg('reload of apache2. We should continue to run')
                }
                // salt 'ctl01*' state.sls keystone.client
                salt.enforceState(saltMaster, 'I@keystone:client and ctl*', 'keystone.client')
                // salt 'ctl*' state.sls glance
                salt.enforceState(saltMaster, 'ctl*', 'glance')
                // salt 'ctl*' state.sls glusterfs.client
                salt.enforceState(saltMaster, 'ctl*', 'glusterfs.client')
                // salt 'ctl*' state.sls keystone.server
                salt.enforceState(saltMaster, 'ctl*', 'keystone.server')
                // salt 'ctl*' state.sls nova
                salt.enforceState(saltMaster, 'ctl*', 'nova')
                // salt 'ctl*' state.sls cinder
                salt.enforceState(saltMaster, 'ctl*', 'cinder')
                // salt 'ctl*' state.sls neutron
                salt.enforceState(saltMaster, 'ctl*', 'neutron')
                // salt 'ctl*' state.sls heat
                salt.enforceState(saltMaster, 'ctl*', 'heat')

                // salt 'cmp*' cmd.run 'service nova-compute restart'
                salt.runSaltProcessStep(saltMaster, 'cmp*', 'service.restart', ['nova-compute'], null, true)

                // salt 'prx*' state.sls linux,openssh,salt.minion,ntp,rsyslog - TODO: proč? už to jednou projelo
                // salt 'ctl*' state.sls keepalived
                // salt 'prx*' state.sls keepalived
                salt.enforceState(saltMaster, 'prx*', 'keepalived')
                // salt 'prx*' state.sls horizon
                salt.enforceState(saltMaster, 'prx*', 'horizon')
                // salt 'prx*' state.sls nginx
                salt.enforceState(saltMaster, 'prx*', 'nginx')

                salt.cmdRun(saltMaster, 'ctl01*', '. /root/keystonercv3; openstack service list; openstack image list; openstack flavor list; openstack compute service list; openstack server list; openstack network list; openstack volume list; openstack orchestration service list')
            }

        }


        if (STAGE_REAL_UPGRADE.toBoolean() == true && STAGE_ROLLBACK_UPGRADE.toBoolean() == true) {
            stage('Ask for manual confirmation') {
                input message: "Please verify that control upgrade was successful. If it did not succeed, in the worst scenario, you can click YES to continue with control-upgrade-rollback. Do you want to continue with the rollback?"
            }
            stage('Ask for manual confirmation') {
                input message: "Do you really want to continue with the rollback?"
            }
        }

        if (STAGE_ROLLBACK_UPGRADE.toBoolean() == true) {
            stage('Rollback upgrade') {

                salt.runSaltProcessStep(saltMaster, "${prx01NodeProvider}", 'virt.destroy', ["prx01.${domain}"], null, true)
                salt.runSaltProcessStep(saltMaster, "${prx02NodeProvider}", 'virt.destroy', ["prx02.${domain}"], null, true)
                salt.runSaltProcessStep(saltMaster, "${ctl01NodeProvider}", 'virt.destroy', ["ctl01.${domain}"], null, true)
                salt.runSaltProcessStep(saltMaster, "${ctl02NodeProvider}", 'virt.destroy', ["ctl02.${domain}"], null, true)
                salt.runSaltProcessStep(saltMaster, "${ctl03NodeProvider}", 'virt.destroy', ["ctl03.${domain}"], null, true)

                salt.runSaltProcessStep(saltMaster, "${prx01NodeProvider}", 'file.copy', ["/root/prx01.${domain}.qcow2.bak", "/var/lib/libvirt/images/prx01.${domain}/system.qcow2"], null, true)
                salt.runSaltProcessStep(saltMaster, "${prx02NodeProvider}", 'file.copy', ["/root/prx02.${domain}.qcow2.bak", "/var/lib/libvirt/images/prx02.${domain}/system.qcow2"], null, true)
                salt.runSaltProcessStep(saltMaster, "${ctl01NodeProvider}", 'file.copy', ["/root/ctl01.${domain}.qcow2.bak", "/var/lib/libvirt/images/ctl01.${domain}/system.qcow2"], null, true)
                salt.runSaltProcessStep(saltMaster, "${ctl02NodeProvider}", 'file.copy', ["/root/ctl02.${domain}.qcow2.bak", "/var/lib/libvirt/images/ctl02.${domain}/system.qcow2"], null, true)
                salt.runSaltProcessStep(saltMaster, "${ctl03NodeProvider}", 'file.copy', ["/root/ctl03.${domain}.qcow2.bak", "/var/lib/libvirt/images/ctl03.${domain}/system.qcow2"], null, true)

                try {
                    salt.cmdRun(saltMaster, 'I@salt:master', "salt-key -d ctl01.${domain},ctl02.${domain},ctl03.${domain},prx01.${domain},prx02.${domain} -y")
                } catch (Exception e) {
                    common.warningMsg('does not match any accepted, unaccepted or rejected keys. They were probably already removed. We should continue to run')
                }

                databases = salt.cmdRun(saltMaster, 'I@mysql:client','salt-call mysql.db_list | grep -v \'upgrade\' | grep -v \'schema\' | awk \'/-/ {print \$2}\'')
                if(databases && databases != ""){
                    databasesList = databases['return'][0].values()[0].trim().tokenize("\n")
                    for( i = 0; i < databasesList.size(); i++){ 
                        if(!databasesList[i].toLowerCase().contains('upgrade') && !databasesList[i].toLowerCase().contains('command execution')){
                            salt.runSaltProcessStep(saltMaster, 'I@mysql:client', 'mysql.db_remove', ["${databasesList[i]}"], null, true)
                            common.warningMsg("removing database ${databasesList[i]}")
                            salt.runSaltProcessStep(saltMaster, 'I@mysql:client', 'file.remove', ["/root/mysql/flags/${databasesList[i]}-installed"], null, true)
                        }
                    }
                }else{
                    common.errorMsg("No none _upgrade databases were returned")
                }

                salt.enforceState(saltMaster, 'I@mysql:client', 'mysql.client')

                salt.runSaltProcessStep(saltMaster, "${prx01NodeProvider}", 'virt.start', ["prx01.${domain}"], null, true)
                salt.runSaltProcessStep(saltMaster, "${prx02NodeProvider}", 'virt.start', ["prx02.${domain}"], null, true)
                salt.runSaltProcessStep(saltMaster, "${ctl01NodeProvider}", 'virt.start', ["ctl01.${domain}"], null, true)
                salt.runSaltProcessStep(saltMaster, "${ctl02NodeProvider}", 'virt.start', ["ctl02.${domain}"], null, true)
                salt.runSaltProcessStep(saltMaster, "${ctl03NodeProvider}", 'virt.start', ["ctl03.${domain}"], null, true)

                // salt 'cmp*' cmd.run 'service nova-compute restart'
                salt.runSaltProcessStep(saltMaster, 'cmp*', 'service.restart', ['nova-compute'], null, true)

                sleep(60)

                salt.cmdRun(saltMaster, 'ctl01*', '. /root/keystonerc; nova service-list; glance image-list; nova flavor-list; nova hypervisor-list; nova list; neutron net-list; cinder list; heat service-list')
            }
        }
    }
}